Add howto about separating topics.

diff --git a/unpack-objects.c b/unpack-objects.c
index 4b5b5cb3e22454fe487002f698272a19a1d8861d..815a1b382b1f92686efd00bee5794a8480d7f7b7 100644 (file)
--- a/unpack-objects.c
+++ b/unpack-objects.c
@@ -246,13 +246,12 @@ static void unpack_all(void)
 {
        int i;
        struct pack_header *hdr = fill(sizeof(struct pack_header));
-       unsigned version = ntohl(hdr->hdr_version);
        unsigned nr_objects = ntohl(hdr->hdr_entries);
 
        if (ntohl(hdr->hdr_signature) != PACK_SIGNATURE)
                die("bad pack file");
-       if (version != PACK_VERSION)
-               die("unable to handle pack file version %d", version);
+       if (!pack_version_ok(hdr->hdr_version))
+               die("unknown pack file version %d", ntohl(hdr->hdr_version));
        fprintf(stderr, "Unpacking %d objects\n", nr_objects);
 
        use(sizeof(struct pack_header));